Yamamoto T, Kumar R, Lee S K. "一种的合成方法" [P]. US Patent, US 9679697 B2, 2019-12-22.
Sørensen M, Jørgensen K, Nielsen H. "Method for the Synthesis of 3-Ethyl-2-methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one" [P]. European Patent, EP 3670058 A1, 2016-04-27.
发明人赵玉洁,胡光,王建平. "A Process for Preparing High-Purity 3-Ethyl-2-methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 113984103 B, 授权公告日 2018-02-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 1985, (11), 8351-8377.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 103, 8888-8898.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-2-methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one Using HRMS and NMR". Food Chem., 2020, 805, (6), 7194-7213.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 712, (5), 8041-8058.